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Finding the Fourth Proportional to 190,851.84, 287,618.22 and 171,900.27

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Solution

The fourth proportional to 190,851.84, 287,618.22 and 171,900.27 is: 259,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.84 : 287,618.22 = 171,900.27 : x
  2. Step 2: Convert to fraction form
    190,851.84/287,618.22 = 171,900.27/x
  3. Step 3: Cross multiply
    190,851.84x = 287,618.22 × 171,900.27
  4. Step 4: Simplify right side
    190,851.84x = 49,441,649,674.92
  5. Step 5: Solve for x
    x = 49,441,649,674.92/190,851.84
  6. Step 6: Final answer
    x = 259,057.76

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.